一个简化的工作流程,用于单克隆抗体的早期配方开发,包括多属性方法和带结合测定
Rachel Smith1, Colin Guy2, Rosie Upton2
1Labcorp York, York Biotech Campus, York YO41 1LZ, UK.
Journal of pharmaceutical and biomedical analysis
|February 6, 2026
概括
一个新的工作流简化了使用LC-MS MAM和SPR.的单克隆抗体 (mAb) 配方开发. 这种方法提高了效率,降低了成本,缩短了时间表,同时确保了关键的质量属性和患者安全.
科学领域:
- 生物制药开发 生物制药开发
- 分析化学 分析化学
- 蛋白质化学 蛋白质化学
背景情况:
- 单克隆抗体 (mAbs) 的早期配方开发是复杂而昂贵的.
- 现有的方法通常需要大量有价值的早期材料.
- 需要有效的工作流程来确保质量和患者安全.
研究的目的:
- 开发和验证早期阶段mAb配方的简化工作流程.
- 整合液态染色体质谱多属性方法 (LC-MS MAM) 与表面等离子体共振 (SPR) 进行综合分析.
- 在不影响质量的情况下,降低mAb开发的成本和时间表.
主要方法:
- 结合LC-MS MAM和SPR用于mAbs.的结构/功能相关性.
- 集成的高通量方法用于高分子量材料 (HMWM),形状和体稳定性.
- 利用强制降解研究,pH优化和实验设计 (DoE) 进行辅助剂查.
主要成果:
- 工作流成功地确定了关键质量属性 (CQAs),例如pembrolizumab中的Met105氧化.
- 美国能源部证实,氨酸有效抑制了氧化,稳定了蛋白质结合.
- 开发了一种优化的配方 (20毫米的histidine,25毫米的氨酸,0.02%的PS80,300毫米的糖,pH为5.5).
结论:
- 集成的工作流提供了对mAb CQA和稳定性的全面了解.
- 这种精简的流程大大减少了对早期开发材料的需求.
- 该工作流有潜力降低mAbs.的成本和缩短开发时间表.
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